Wire joining tool and method



Nov. 17, 1931. A. L. ROSENMUND WIRE JOINING TOOL AND METHOD Filed Sept. 21, 1929 2 Sheets-Sheet l INVENTOR M (j A'l l' NEY N 1931- A. L. ROSENIMUND 1,332,324

WIRE JOINING TOOL AND METHOD Filed Sept. 21, 1929 2 Sheets-$heet 2 5 I B 7 I INVENTOR B m m w v romtav Patented Nov. 17, 1931 j UNITED T mnnni-L. nosnmvmnn, Mammy, JERSEY, AssIen'on TO srarnme memes corn connona'rron or ELA ARE, r y

mam Jommefrooit AND mn'rnonl 1 Application filed September 21,1929. ,Seria1'No.:39 4,1 49. t i

This invention relates to wire joining and particularly to tools for joining the endsof wires about boxes, lha1es,.bundles, packages andthe like. Among other objects the invention is ntended to provide an eificient and inexpensive tool for tensioning a wire binding about a 'box, bale, bundle, package or the like, and intertwisting the ends of the wire; and particularly to provide a readily operable, hand toolof thetype referred to.

Another object is -to provide an efiicient method of joining wires.

In the drawings 1 Fi .lxis a side elevation of a hand tool em- -body1ng the invention. I a

Fig. 2 is a sectional view taken on the line 2-2ofFig.vl. '7

Fig. 3 is an enlarged sectional view taken on the line3-3 of Fig, l.

The illustrative tool comprises jwire gggri m ping, tensioning and twisting devices adapted to grip the ends of a box or package encircl'ing wire, tension the wire about the boxpor package, and intertwist the ends of the w re;

The wire gripping and twisting devices are located in the nose of the tool, which is identified in the drawings bythe reference numeral 1. The nose 1 is formed on the end of a twisting rod 2 which is rigidly a'flixed to a brace 3 provided with a handle 4. y p

The nose 1 is provided with a bore 5 large v enough to receive the two wire ends to" be 'Fi 4 is an enlargedsection view taken on gripped and intertwistedl Near its outer e' x tremity the nose is provided with two wire twisting pins 6, extending crosswise the bore andspac'ed apart a distanceslightly in excess of thediameter of one wireso that the two 5 wire ends are held side'by side between the pins6.- i A short distance back of the pins 6 the nose 1 is slotted atone sideto receive a wire gripping device 7 which in the illustrative tool takes the form of a rounded knurled plate 7 eccentrically pivoted on a pin 8 to permit the ready insertion of the wire ends into thebore 5 and past the plate 7 while resisting withdrawal of the wire ends. Plate 7 is preferably pressed downward by a spring 9 and the surface ofthe bore 5 beneath plate 7 is preferably knurled to} cooperate with the knurled surface of theplate 7 in retaining the wiresin the bore. The pivotal arrangement of the plate 7 is such that the plateis easily raised by the incoming wi-re ends but, is drawn tightly. downward against the wires when the wires are moved in theopposite direction.

Thus itwill heseenthatprovision is made 5 I to receive in. the nose of the tool twowire ends and to hold them against withdrawal during the wire tensioning and twistingoperationsnow to be described. V

Rotatably andslidablymounted on the rod. 2 is a cylindrical member 10 carrying an arm 11 lying adjacent to and parallel with the rod '2. 'Asithe arm 11 functions. to tension the wirebinding in the manner hereinafter rangement being. such that member 10 and arm 11 may be readily moved toward the nose of thetool, while movement in the opposite direction is prevented by engagement of pawl 13 with ratchet teeth 12. Pawl 13 is provided with a handle 14 which, when pressed downward, raises pawl 13 out of engagement with teeth 12 and permits member 1.0 and arnli 11 to be retracted from the nose of the too r The manner of operating the tool is best shown in' Figs? toll inclusive; In Fig. 7 is shown a box B loosely encircled by abinding' wire W, the ends of which are to be gripped and intertwisted by the tool. With the arm 11 retracted, the ends E are inserted in the bore 5 between thepins 6 and under the plate 7 With the tool'heldintheposi tion shown in Fig. 8, the tensioning arm 11 is advanced beyond the end of the'nose 1 and into contact with the body of the wire 'W. The tool is then swung in an arcabout the extremity of arm 11 as the pivot point to theposition shown in Fig. 9. During this movement the ends E of the wire are firmly. held by the plate 7 against'withdrawal from the nose of the tool and the movement of the nose about the pivot point provided by the extremity of the armv 11 tensions the binding-about the box. The brace 3 is then rotated a number oftimes to intertwist the wire 'endsbetween the box and the noseot the tool, the pins 6 functioning to grip the wire" ends during rotation of the ends of the tool. After the wire ends have been intertwisted between the box and the nose of the tool, member 10 and arm 11 are retracted by pressing the handle 1a of pawl 13. The tool is then lowered to the position shown in Fig. 11 and brace 3 is again rotated a number of times to tighten-and complete the joinder of the wirerends. The additional rotations of the ends of the wire when in the position shown in Fig. 11 draws one of the body wires wholly or partially over the intertwisted ends, as shown in Fig. 12, and causes the pins 6 to sever or ring off thetwire" ends at the point where they are gripped by the pins 6 This twisting actionis described in detail in my copending application Serial No. 357,431, filed April 23, 1929, reference to which is hereby made.

, provides an efficient and inexpensive tool for 'Armong other advantages the invention tensioning and joining wiresabout boxes, packages, bundle-s and-the like, and an etficient method for joining the ends ofpackage encircling binders, 'Iclaim': 1. In a tool for joining the ends of a package binder the combination of a rotatable member to grip and twist the ends of a package wire, and means to tension the binder about'the package prior to the twisting operation comprising a tensioning arm to engage the wire a distance from the gripping point and about the end. of which arm the tool may pivot; whereby movement of the gripping and twisting member about the end of the tensioning arm as a center will tension the wire about the package, and rotation of packageprior to the twisting operation com prisinga tensioning arm to. engage andhold the binder a distance; from the gripping member, whereby movement of the gripping member aboutthe point of engagement as a center will tension the binder about the package. 7

8. In a-tool for joining the ends of a package binder the combination of a rod provided near its extremity with devices for gripping the ends of a package binder, anda tensioning. arm adjustable lengthwise said rod to engage the binder at variable distances from the gripping devices.

' 4:. In a tool for joining the ends of a package binder the combination of a rotatable rod provided near its extremity with devices for gripping the ends of a package binder, and a tensioning arm adjustable lengthwise said rod to engage the binder at variable distances from the gripping devices, said rod being rotatable independently of said arm.

5. In a tool for joining the ends of a package binder the combination of a rod provided near its extremity with devices for gripping the ends ofa package binder, and means to tension the binder about the package prior to the twisting operation comprising a tensioning arm extending'beyond the extremity of said rod to engage the bindera distance from the gripping devices. V i

6. In a tool for joining the ends of a pack age binder the combination of a rotatable rod provided near its extremity with devices for gripping theends of a package binder, and meansto tension the binder about the package prior to the twisting operation comprising a tensioningo arm extending beyond the extremity ofsaid rod to engage the binder a distance from the gripping devices. said rod being rotatable independently of said arm.

:TJThe methodof joining the ends of a package binder which is characterized by gripping the binder ends adjacent the package, engaging the body of the wire a distance from the gripping point, swinging the gr pped ends about the eng'raging point as a center to tension the wireabout the package,

and intertwisting the gripping ends betweenv the grippingand engaging points,

The method ofjoining the ends of a package binder which-is Characterizedby gripping the binder ends adjacent the pack are age, holding the body of the binder against movement at a point spaced from the gripping point, swinging the gripped ends about the holding point as a centerto tension the binder about the package, and intertwisting the binder ends between the gripping and holding points.

In testimony whereof, I have signed my name to this specification this 9th day of m September, 1929.

ALFRED L. ROSENMUND. 

